Simplify 2^(-1/2)

$2^{- \frac{1}{2}}$

Step 1

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{2^{\frac{1}{2}}}$

Step 2

The result can be shown in multiple forms.

Exact Form:

$\frac{1}{2^{\frac{1}{2}}}$

Decimal Form:

$0.70710678 \dots$